How To Fix FDT_CORE040 - &1 is not a constant

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 040

• Message text: &1 is not a constant

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE040 - &1 is not a constant ?

  The SAP error message FDT_CORE040 with the description "&1 is not a constant" typically occurs in the context of SAP's Field Data Tool (FDT) or when working with field-based data models. This error indicates that a value expected to be a constant is not defined as such in the system.
  Cause:
  
  Incorrect Configuration: The error often arises when a field or a value that is expected to be constant is not properly defined in the configuration. This could be due to a missing or incorrect entry in the data model.
  Dynamic Values: If a field is expected to hold a constant value but is instead receiving a dynamic or variable value, this error will be triggered.
  Data Type Mismatch: There may be a mismatch in the expected data type for a constant value, leading to this error.
  
  Solution:
  
  Check Field Definitions: Review the field definitions in the FDT configuration. Ensure that the fields that are supposed to hold constant values are correctly defined as constants.
  Review Data Model: Go through the data model to ensure that all constants are properly set up and that there are no references to dynamic values where constants are expected.
  Adjust Data Types: Ensure that the data types of the constants match the expected types in the configuration. If necessary, adjust the data types to align with the requirements.
  Debugging: If the issue persists, consider using debugging tools to trace where the error is occurring in the data flow. This can help identify the specific field or value causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources related to FDT for additional guidance on defining constants and troubleshooting related errors.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Version Specifics: Be aware that the behavior of FDT and error messages may vary between different versions of SAP, so ensure that you are looking at the correct version documentation.
  
  If the problem continues after following these steps, it may be beneficial to reach out to SAP support for more tailored assistance.